Tetra Min Weekend Fish Food (10 Sticks) Mixed, , 100% edible foodsticks for feeding fish during holidays and weekends away. High proportion of essential minerals and a high protein content to ensure fish remain in good condition. Optimum supply of vital fatty acids to ensure health. Hardened by a special production process that removes the need for indigestible binding agents that are difficult to digest. Easy to use and lasts for up to nine days.